public final class PojoSerializer<T> extends TypeSerializer<T>
| Constructor and Description |
|---|
PojoSerializer(Class<T> clazz,
TypeSerializer<?>[] fieldSerializers,
Field[] fields,
ExecutionConfig executionConfig) |
| Modifier and Type | Method and Description |
|---|---|
boolean |
canEqual(Object obj)
Returns true if the given object can be equaled with this object.
|
void |
copy(DataInputView source,
DataOutputView target)
Copies exactly one record from the source input view to the target output view.
|
T |
copy(T from)
Creates a deep copy of the given element in a new element.
|
T |
copy(T from,
T reuse)
Creates a copy from the given element.
|
T |
createInstance()
Creates a new instance of the data type.
|
T |
deserialize(DataInputView source)
De-serializes a record from the given source input view.
|
T |
deserialize(T reuse,
DataInputView source)
De-serializes a record from the given source input view into the given reuse record instance if mutable.
|
PojoSerializer<T> |
duplicate()
Creates a deep copy of this serializer if it is necessary, i.e.
|
boolean |
equals(Object obj) |
int |
getLength()
Gets the length of the data type, if it is a fix length data type.
|
int |
hashCode() |
protected void |
initializeFields(T t) |
boolean |
isImmutableType()
Gets whether the type is an immutable type.
|
void |
serialize(T value,
DataOutputView target)
Serializes the given record to the given target output view.
|
public PojoSerializer(Class<T> clazz, TypeSerializer<?>[] fieldSerializers, Field[] fields, ExecutionConfig executionConfig)
public boolean isImmutableType()
TypeSerializerisImmutableType in class TypeSerializer<T>public PojoSerializer<T> duplicate()
TypeSerializerduplicate in class TypeSerializer<T>public T createInstance()
TypeSerializercreateInstance in class TypeSerializer<T>protected void initializeFields(T t)
public T copy(T from)
TypeSerializercopy in class TypeSerializer<T>from - The element reuse be copied.public T copy(T from, T reuse)
TypeSerializercopy in class TypeSerializer<T>from - The element to be copied.reuse - The element to be reused. May or may not be used.public int getLength()
TypeSerializergetLength in class TypeSerializer<T>-1 for variable length data types.public void serialize(T value, DataOutputView target) throws IOException
TypeSerializerserialize in class TypeSerializer<T>value - The record to serialize.target - The output view to write the serialized data to.IOException - Thrown, if the serialization encountered an I/O related error. Typically raised by the
output view, which may have an underlying I/O channel to which it delegates.public T deserialize(DataInputView source) throws IOException
TypeSerializerdeserialize in class TypeSerializer<T>source - The input view from which to read the data.IOException - Thrown, if the de-serialization encountered an I/O related error. Typically raised by the
input view, which may have an underlying I/O channel from which it reads.public T deserialize(T reuse, DataInputView source) throws IOException
TypeSerializerdeserialize in class TypeSerializer<T>reuse - The record instance into which to de-serialize the data.source - The input view from which to read the data.IOException - Thrown, if the de-serialization encountered an I/O related error. Typically raised by the
input view, which may have an underlying I/O channel from which it reads.public void copy(DataInputView source, DataOutputView target) throws IOException
TypeSerializertarget.write(source, 8);.copy in class TypeSerializer<T>source - The input view from which to read the record.target - The target output view to which to write the record.IOException - Thrown if any of the two views raises an exception.public int hashCode()
hashCode in class TypeSerializer<T>public boolean equals(Object obj)
equals in class TypeSerializer<T>public boolean canEqual(Object obj)
TypeSerializercanEqual in class TypeSerializer<T>obj - Object which wants to take part in the equality relationCopyright © 2014–2017 The Apache Software Foundation. All rights reserved.